Home / 14,300.55-21,448.53-3,909.87

Finding the Fourth Proportional to 14,300.55, 21,448.53 and 3,909.87

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Solution

The fourth proportional to 14,300.55, 21,448.53 and 3,909.87 is: 5,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.55 : 21,448.53 = 3,909.87 : x
  2. Step 2: Convert to fraction form
    14,300.55/21,448.53 = 3,909.87/x
  3. Step 3: Cross multiply
    14,300.55x = 21,448.53 × 3,909.87
  4. Step 4: Simplify right side
    14,300.55x = 83,860,963.99
  5. Step 5: Solve for x
    x = 83,860,963.99/14,300.55
  6. Step 6: Final answer
    x = 5,864.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.